alexa A novel transmembrane serine protease (TMPRSS3) overexpressed in pancreatic cancer.
Genetics & Molecular Biology

Genetics & Molecular Biology

Gene Technology

Author(s): Wallrapp C, Hhnel S, MllerPillasch F, Burghardt B, Iwamura T,

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Abstract We report the characterization of a novel serine protease of the chymotrypsin family, recently isolated by cDNA-representational difference analysis, as a gene overexpressed in pancreatic cancer. The 2.3-kb mRNA of the gene, named TMPRSS3, is strongly expressed in a subset of pancreatic cancer and various other cancer tissues, and its expression correlates with the metastatic potential of the clonal SUIT-2 pancreatic cancer cell lines. The deduced polypeptide sequence consists of 437 amino acids and exhibits all of the structural features characteristic of serine proteases with trypsin-like activity. TMPRSS3 is membrane bound with a NH2-terminal signal-anchor sequence and a glycosylated extracellular region containing the serine protease domain. Thus, TMPRSS3 is a novel membrane-bound serine protease overexpressed in cancer, which may be of importance for processes involved in metastasis formation and tumor invasion.
This article was published in Cancer Res and referenced in Gene Technology

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